ttfw/IDFDUT: i) Added option to erase_flash in the IDFDUT class

             ii) Renamed the method dump_flush to dump_flash

tools/ci/python_packages/ttfw_idf/IDFDUT.py

@@ -334,9 +334,18 @@ class IDFDUT(DUT.SerialDUT):
             f.write(chr(0xFF) * size)
 
     @_uses_esptool
-    def dump_flush(self, esp, output_file, **kwargs):
+    def erase_flash(self, esp):
         """
-        dump flush
+        erase the flash completely
+
+        :return: None
+        """
+        esp.erase_flash()
+
+    @_uses_esptool
+    def dump_flash(self, esp, output_file, **kwargs):
+        """
+        dump flash
 
         :param output_file: output file name, if relative path, will use sdk path as base path.
         :keyword partition: partition name, dump the partition.
@@ -576,10 +585,13 @@ class IDFQEMUDUT(IDFDUT):
         self.qemu.expect_exact(b"(qemu)")
 
     def erase_partition(self, partition):
-        raise NotImplementedError("method not erase_partition not implemented")
+        raise NotImplementedError("method erase_partition not implemented")
+
+    def erase_flash(self):
+        raise NotImplementedError("method erase_flash not implemented")
 
-    def dump_flush(self, output_file, **kwargs):
-        raise NotImplementedError("method not dump_flush not implemented")
+    def dump_flash(self, output_file, **kwargs):
+        raise NotImplementedError("method dump_flash not implemented")
 
     @classmethod
     def list_available_ports(cls):

tools/test_apps/system/panic/test_panic_util/test_panic_util.py

@@ -139,7 +139,7 @@ class PanicTestMixin(object):
         log_folder = self.app.get_log_folder(TEST_SUITE)
         coredump_file_name = os.path.join(log_folder, "coredump_data_" + self.test_name + ".bin")
         Utility.console_log("Writing flash binary core dump to " + coredump_file_name)
-        self.dump_flush(coredump_file_name, partition="coredump")
+        self.dump_flash(coredump_file_name, partition="coredump")
 
         output_file_name = os.path.join(log_folder, "coredump_flash_result_" + self.test_name + ".txt")
         self._call_espcoredump(["--core-format", "raw"], coredump_file_name, output_file_name)